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C++ sp::editData方法代码示例

本文整理汇总了C++中sp::editData方法的典型用法代码示例。如果您正苦于以下问题:C++ sp::editData方法的具体用法?C++ sp::editData怎么用?C++ sp::editData使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在sp的用法示例。


在下文中一共展示了sp::editData方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: writeStringBlock

status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
{
    // Allow appending.  Sorry this is a little wacky.
    if (pool->getSize() > 0) {
        sp<AaptFile> block = createStringBlock();
        if (block == NULL) {
            return UNKNOWN_ERROR;
        }
        ssize_t res = pool->writeData(block->getData(), block->getSize());
        return (res >= 0) ? (status_t)NO_ERROR : res;
    }

    // First we need to add all style span names to the string pool.
    // We do this now (instead of when the span is added) so that these
    // will appear at the end of the pool, not disrupting the order
    // our client placed their own strings in it.
    
    const size_t STYLES = mEntryStyleArray.size();
    size_t i;

    for (i=0; i<STYLES; i++) {
        entry_style& style = mEntryStyleArray.editItemAt(i);
        const size_t N = style.spans.size();
        for (size_t i=0; i<N; i++) {
            entry_style_span& span = style.spans.editItemAt(i);
            ssize_t idx = add(span.name, true);
            if (idx < 0) {
                fprintf(stderr, "Error adding span for style tag '%s'\n",
                        String8(span.name).string());
                return idx;
            }
            span.span.name.index = (uint32_t)idx;
        }
    }

    const size_t ENTRIES = mEntryArray.size();

    // Now build the pool of unique strings.

    const size_t STRINGS = mEntries.size();
    const size_t preSize = sizeof(ResStringPool_header)
                         + (sizeof(uint32_t)*ENTRIES)
                         + (sizeof(uint32_t)*STYLES);
    if (pool->editData(preSize) == NULL) {
        fprintf(stderr, "ERROR: Out of memory for string pool\n");
        return NO_MEMORY;
    }

    const size_t charSize = mUTF8 ? sizeof(uint8_t) : sizeof(uint16_t);

    size_t strPos = 0;
    for (i=0; i<STRINGS; i++) {
        entry& ent = mEntries.editItemAt(i);
        const size_t strSize = (ent.value.size());
        const size_t lenSize = strSize > (size_t)(1<<((charSize*8)-1))-1 ?
            charSize*2 : charSize;

        String8 encStr;
        if (mUTF8) {
            encStr = String8(ent.value);
        }

        const size_t encSize = mUTF8 ? encStr.size() : 0;
        const size_t encLenSize = mUTF8 ?
            (encSize > (size_t)(1<<((charSize*8)-1))-1 ?
                charSize*2 : charSize) : 0;

        ent.offset = strPos;

        const size_t totalSize = lenSize + encLenSize +
            ((mUTF8 ? encSize : strSize)+1)*charSize;

        void* dat = (void*)pool->editData(preSize + strPos + totalSize);
        if (dat == NULL) {
            fprintf(stderr, "ERROR: Out of memory for string pool\n");
            return NO_MEMORY;
        }
        dat = (uint8_t*)dat + preSize + strPos;
        if (mUTF8) {
            uint8_t* strings = (uint8_t*)dat;

            ENCODE_LENGTH(strings, sizeof(uint8_t), strSize)

            ENCODE_LENGTH(strings, sizeof(uint8_t), encSize)

            strncpy((char*)strings, encStr, encSize+1);
        } else {
            uint16_t* strings = (uint16_t*)dat;

            ENCODE_LENGTH(strings, sizeof(uint16_t), strSize)

            strcpy16_htod(strings, ent.value);
        }

        strPos += totalSize;
    }

    // Pad ending string position up to a uint32_t boundary.

    if (strPos&0x3) {
//.........这里部分代码省略.........
开发者ID:0359xiaodong,项目名称:OpenAtlas,代码行数:101,代码来源:StringPool.cpp

示例2: writeStringBlock

status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
{
    // Allow appending.  Sorry this is a little wacky.
    if (pool->getSize() > 0) {
        sp<AaptFile> block = createStringBlock();
        if (block == NULL) {
            return UNKNOWN_ERROR;
        }
        ssize_t res = pool->writeData(block->getData(), block->getSize());
        return (res >= 0) ? (status_t)NO_ERROR : res;
    }

    // First we need to add all style span names to the string pool.
    // We do this now (instead of when the span is added) so that these
    // will appear at the end of the pool, not disrupting the order
    // our client placed their own strings in it.
    
    const size_t STYLES = mEntryStyleArray.size();
    size_t i;

    for (i=0; i<STYLES; i++) {
        entry_style& style = mEntryStyleArray.editItemAt(i);
        const size_t N = style.spans.size();
        for (size_t i=0; i<N; i++) {
            entry_style_span& span = style.spans.editItemAt(i);
            ssize_t idx = add(span.name, true);
            if (idx < 0) {
                fprintf(stderr, "Error adding span for style tag '%s'\n",
                        String8(span.name).string());
                return idx;
            }
            span.span.name.index = (uint32_t)idx;
        }
    }

    const size_t ENTRIES = size();

    // Now build the pool of unique strings.

    const size_t STRINGS = mEntries.size();
    const size_t preSize = sizeof(ResStringPool_header)
                         + (sizeof(uint32_t)*ENTRIES)
                         + (sizeof(uint32_t)*STYLES);
    if (pool->editData(preSize) == NULL) {
        fprintf(stderr, "ERROR: Out of memory for string pool\n");
        return NO_MEMORY;
    }

    size_t strPos = 0;
    for (i=0; i<STRINGS; i++) {
        entry& ent = mEntries.editItemAt(i);
        const size_t strSize = (ent.value.size());
        const size_t lenSize = strSize > 0x7fff ? sizeof(uint32_t) : sizeof(uint16_t);
        const size_t totalSize = lenSize + ((strSize+1)*sizeof(uint16_t));

        ent.offset = strPos;
        uint16_t* dat = (uint16_t*)pool->editData(preSize + strPos + totalSize);
        if (dat == NULL) {
            fprintf(stderr, "ERROR: Out of memory for string pool\n");
            return NO_MEMORY;
        }
        dat += (preSize+strPos)/sizeof(uint16_t);
        if (lenSize > sizeof(uint16_t)) {
            *dat = htods(0x8000 | ((strSize>>16)&0x7fff));
            dat++;
        }
        *dat++ = htods(strSize);
        strcpy16_htod(dat, ent.value);

        strPos += lenSize + (strSize+1)*sizeof(uint16_t);
    }
开发者ID:RealVNC,项目名称:AndroidFrameworksBase,代码行数:71,代码来源:StringPool.cpp


注:本文中的sp::editData方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。